diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 01ff71f7b64562f37459b5dd6dd86835458d215e..f4eb071327be08163e9463d9abbbb3ac1885f9c1 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -210,7 +210,7 @@ void *edac_align_ptr(void **p, unsigned int size, int n_elems)
 	else
 		return (char *)ptr;
 
-	r = (unsigned long)p % align;
+	r = (unsigned long)ptr % align;
 
 	if (r == 0)
 		return (char *)ptr;